#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main() {
	float w, h;
	scanf("%f %f", &w, &h);
	float b;
	b = w / (h * h);
	if (b >= 18.5 && b <= 23.9) {
		printf("Normal");
	}
	else {
		printf("Abnormal");
	}
	return 0;
}
